size_fifo 949 drivers/tty/serial/8250/8250_port.c if (size_fifo(up) == 64) size_fifo 984 drivers/tty/serial/8250/8250_port.c if (autoconfig_read_divisor_id(up) == 0x0201 && size_fifo(up) == 16) size_fifo 1146 drivers/tty/serial/8250/8250_port.c if (up->port.type == PORT_16550A && size_fifo(up) == 64) {